William Nywening

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Wyoming, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an improved multi-grade lubricating grease
- Patent number 4,822,503
- Issue date Apr 18, 1989
- Exxon Research and Engineering Company
- James H. Norton
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...